3 Data Transfer Operations

The following data transfers take place when recording audio data:

  • ADC to ping-pong buffers
  • Ping-pong buffers to external memory
  • Ping-pong buffers to internal memory
Figure 3-1. Data Transfers for Audio Recording

The following data transfers take place when playing back audio data:

  • External memory to DAC
  • Internal memory to DAC
Figure 3-2. Data Transfers for Audio Playback

The following data transfer takes place in an audio passthrough channel:

  • ADC to DAC (passthrough)